48. Which of the following surfaces is not porous? A) Cardboard B) Wood C) Paper D) Glass 49. Which of the following is most representative of

48-52 need help

48. Which of the following surfaces is not porous?A) CardboardB) WoodC) PaperD) Glass49. Which of the following is most representative of forensic science?A) BiologyB) ChemistryC) PhysicsD) all of the above50. The corroborative use of physical evidence means that it can be used to:A) Provide a lead to give the investigation directionB) Support other investigative findingsC) Rule out a particular suspectD) Establish a definite identity51. Which of the following is not a layer of the hair shaft?A) CortexB) FollicleC) CuticleD) Medulla52. A cast of a hair surface can be made using:A) CyanoacrylateB) Clear nail polishC) Melt mountD) Both B and CE) Both A and B